datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,03 0:30:00,30 ,       0, 0.38081,0.198503,0.134647
twpcmbeC1.c1,1997,03 1:30:00,30 ,       0, 0.42794,0.164607,0.141213
twpcmbeC1.c1,1997,03 2:30:00,30 ,       0,0.361324,  0.1437, 0.12986
twpcmbeC1.c1,1997,03 3:30:00,30 ,       0,0.347015,0.095952,0.119348
twpcmbeC1.c1,1997,03 4:30:00,30 ,       0,0.296048,0.033083,0.076789
twpcmbeC1.c1,1997,03 5:30:00,30 ,       0,0.276859, 0.02195,0.070188
twpcmbeC1.c1,1997,03 6:30:00,30 , 10.9003,44.29607,27.17995,8.390064
twpcmbeC1.c1,1997,03 7:30:00,30 ,36.49619,111.5334,73.18789,18.52457
twpcmbeC1.c1,1997,03 8:30:00,31 ,42.91603,190.5972,107.3159,37.77567
twpcmbeC1.c1,1997,03 9:30:00,31 , 56.5079,278.2736,133.5119,68.82598
twpcmbeC1.c1,1997,0310:30:00,31 ,33.49489,329.8435, 139.454,83.87399
twpcmbeC1.c1,1997,0311:30:00,31 ,23.82234,398.5424,208.2313,108.2374
twpcmbeC1.c1,1997,0312:30:00,31 ,6.459545,365.9793, 153.267,96.80506
twpcmbeC1.c1,1997,0313:30:00,31 , 3.75301,423.7241,170.0691,91.16524
twpcmbeC1.c1,1997,0314:30:00,31 ,14.54813,340.8869,153.0578, 84.6457
twpcmbeC1.c1,1997,0315:30:00,31 ,17.94985, 203.742,114.9334,51.46241
twpcmbeC1.c1,1997,0316:30:00,31 ,15.10437,171.3921,83.10559,40.89432
twpcmbeC1.c1,1997,0317:30:00,31 ,2.646518,91.01873,45.28594, 23.9335
twpcmbeC1.c1,1997,0318:30:00,31 , 0.58763, 16.5152,8.268592,3.762084
twpcmbeC1.c1,1997,0319:30:00,31 ,       0,0.695317, 0.02243,0.124883
twpcmbeC1.c1,1997,0320:30:00,31 ,       0, 0.34991,0.053593,0.092824
twpcmbeC1.c1,1997,0321:30:00,31 ,       0,0.304486,0.080778,0.107825
twpcmbeC1.c1,1997,0322:30:00,31 ,       0,0.364992, 0.12321,0.123757
twpcmbeC1.c1,1997,0323:30:00,31 ,       0,0.428542,    0.16,0.131975